#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    d = ['h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k']    
    a = 0
    for c in s:
        if a==10:   break;
        if c==d[a]: a=a+1
    if a==10:   print 'YES'
    else:       print 'NO'